[Bug 93090] telepathy-gabble should support OMEMO encryption

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Dec 12 16:10:00 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=93090

--- Comment #11 from Randy Barlow <rbarlow at redhat.com> ---
I believe you are both correct - OMEMO was designed to be a crypto system that
was friendly towards MAM and carbons since OTR cannot work with either of them.
With OTR, any encrypted communications have to happen live and can only happen
from one device to one device. This is pretty limiting if you like the
convenience of having message history shared among devices. OMEMO works by
encrypting messages for multiple devices and does not require them to be
actively online.

However, OMEMO doesn't use either of those extensions to work so it does not
require them. Supporting OMEMO would still be beneficial even if
telepathy-gabble doesn't support those extensions, because MAM and carbons can
happen server-side without client involvement, allowing other clients the user
has (like Conversations) to still benefit.

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